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| author | Xavier Leroy <xavierleroy@users.noreply.github.com> | 2015-03-31 10:19:44 +0200 |
|---|---|---|
| committer | Xavier Leroy <xavierleroy@users.noreply.github.com> | 2015-03-31 10:19:44 +0200 |
| commit | 47a6b116069cff9c71466bde1fd87d0775ec9175 (patch) | |
| tree | cc6402162b64512db1f82ebbb5c94606f14ee3a8 /ia32 | |
| parent | 14f3f0dfb90c74b7e1bc96c4aee74fb88dd7923b (diff) | |
| parent | c1205952ab7e3be09cd1a0a9a4d4ee9ddeefe1ea (diff) | |
| download | compcert-47a6b116069cff9c71466bde1fd87d0775ec9175.tar.gz compcert-47a6b116069cff9c71466bde1fd87d0775ec9175.zip | |
Merge pull request #33 from AbsInt/struct-passing
ABI conformance for passing function arguments and returning function results of struct and union types
Diffstat (limited to 'ia32')
| -rw-r--r-- | ia32/TargetPrinter.ml | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/ia32/TargetPrinter.ml b/ia32/TargetPrinter.ml index 888a7e72..c00dfc57 100644 --- a/ia32/TargetPrinter.ml +++ b/ia32/TargetPrinter.ml @@ -801,8 +801,10 @@ module Target(System: SYSTEM):TARGET = | Pjmp_l(l) -> fprintf oc " jmp %a\n" label (transl_label l) | Pjmp_s(f, sg) -> + assert (not sg.sig_cc.cc_structret); fprintf oc " jmp %a\n" symbol f | Pjmp_r(r, sg) -> + assert (not sg.sig_cc.cc_structret); fprintf oc " jmp *%a\n" ireg r | Pjcc(c, l) -> let l = transl_label l in @@ -818,12 +820,21 @@ module Target(System: SYSTEM):TARGET = fprintf oc " jmp *%a(, %a, 4)\n" label l ireg r; jumptables := (l, tbl) :: !jumptables | Pcall_s(f, sg) -> - fprintf oc " call %a\n" symbol f + fprintf oc " call %a\n" symbol f; + if sg.sig_cc.cc_structret then + fprintf oc " pushl %%eax\n" | Pcall_r(r, sg) -> - fprintf oc " call *%a\n" ireg r + fprintf oc " call *%a\n" ireg r; + if sg.sig_cc.cc_structret then + fprintf oc " pushl %%eax\n" | Pret -> - fprintf oc " ret\n" - (** Pseudo-instructions *) + if (!current_function_sig).sig_cc.cc_structret then begin + fprintf oc " movl 0(%%esp), %%eax\n"; + fprintf oc " ret $4\n" + end else begin + fprintf oc " ret\n" + end + (** Pseudo-instructions *) | Plabel(l) -> fprintf oc "%a:\n" label (transl_label l) | Pallocframe(sz, ofs_ra, ofs_link) -> |